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Tesi sul tema "Geometridae Behavior"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 31 gennaio 2023

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1

Burn, David Michael. "Domain wall behaviour in ferromagnetic nanowires with interfacial and geometrical structuring." Thesis, Durham University, 2013. http://etheses.dur.ac.uk/7732/.

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The magnetic behaviour in nanoscale structures is of great interest for the fundamental understanding of magnetisation processes and also has importance for wide ranging technological applications. This thesis examines mechanisms for the enhanced control of domain walls in these structures via focussed ion beam modifications to magnetic nanowires and through the inclusion of periodic geometrical modifications to the nanowires geometry. A detailed investigation into the effect of focussed ion beam irradiation on the structure of NiFe/Au bilayers was performed through x-ray reflectivity and fluo

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2

Siddiqui, Muhammad Owais Raza. "Geometrical modelling and numerical analysis of thermal behaviour of textile structures." Thesis, Heriot-Watt University, 2015. http://hdl.handle.net/10399/2886.

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The thermal properties of fabric are an important factor in the understanding of the thermo-physiological comfort of clothing. The principal aim of this research was to develop novel numerical methods, Graphical User Interface (GUI) plug-ins and experimental setup to evaluate the effective thermal conductivity and thermal resistance of different textile structures which has significant impact on the thermal comfort of clothing. The numerical methods also include the analysis of the effect of fibre orientation, thermal anisotropy of fibre, temperature dependent thermal conductivity and fibre vo

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3

Zhou, Jianguo. "Processing of Generic Circuits by Conductive Adhesives: Geometrical and Rheological Considerations." Akron, OH : University of Akron, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=akron1176968256.

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Dissertation (Ph. D.)--University of Akron, Dept. of Polymer Engineering, 2007.<br>"May, 2007." Title from electronic dissertation title page (viewed 04/07/2008) Advisor, Erol Sancaktar; Committee members, Avraam I. Isayev, Sadhan C. Jana, Darrell H. Reneker, Shing-Chung Wong; Department Chair, Sadhan C. Jana; Dean of the College, George R. Newkome; Dean of the Graduate School, George R. Newkome. Includes bibliographical references.

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4

Abdulhadi, Hasanain. "Designing New Generations of BCC Lattice Structures and Developing Scaling Laws to Predict Compressive Mechanical Characteristics and Geometrical Parameters." Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright1610335306482598.

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5

Ferraz, Priscylla. "Influência da geometria de iluminação e do ângulo de visada na resposta espectral da cultura do feijão (Phaseolus vulgaris L.)." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/11/11143/tde-06032006-145013/.

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O estudo do comportamento espectral de culturas agrícolas, por meio da radiometria de campo, contribui para a obtenção de uma maior precisão nos modelos gerados pelo sensoriamento remoto, quando utilizados na estimativa e análise de variáveis agronômicas de culturas. Tendo em vista que os sensores a bordo de satélites podem adquirir imagens sob diferentes ângulos de visada e em diferentes horários de passagem, torna-se necessário o conhecimento do efeito dessas variáveis sobre a resposta espectral das culturas. A presente pesquisa teve como objetivo avaliar a influência de três ângulos de visa

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6

Dionne, Caroline. "Geometrical behaviours : an architectural mise-en-scène for a reenactment of Lewis Carroll's Alice's adventures in Wonderland." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0033/MQ64109.pdf.

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7

CURSINO, Gustavo Gomes Sampaio. "Influência da geometria da distribuição de temperatura em um combustor vertical de leito fluidizado a óleo combustível." Universidade Federal de Campina Grande, 2016. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/309.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-03-23T01:44:32Z No. of bitstreams: 1 GUSTAVO GOMES SAMPAIO CURSINO - TESE PPGEQ 2016.pdf: 5939681 bytes, checksum: 518baf4150ea2fb7085706252276b9fa (MD5)<br>Made available in DSpace on 2018-03-23T01:44:32Z (GMT). No. of bitstreams: 1 GUSTAVO GOMES SAMPAIO CURSINO - TESE PPGEQ 2016.pdf: 5939681 bytes, checksum: 518baf4150ea2fb7085706252276b9fa (MD5) Previous issue date: 2016-04-18<br>Este trabalho teve o propósito de determinar o comportamento dos gases na seção de radiação de um combustor de ar que pertence a uma planta

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8

Hosseinian, Armin. "Numerical simulations of fluid flow through a single rough walled fracture." Thesis, Curtin University, 2011. http://hdl.handle.net/20.500.11937/1764.

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The morphological properties of rock fractures may have a significant influence on their hydromechanical behaviour. Fracture surface roughness could change the fluid flow regime from laminar to turbulent, while it causes the flow properties to deviate from cubic law for smooth channels due to a change in fracture equivalent hydraulic aperture. Different empirical (including the well known Joint Roughness Coefficient, JRC) and statistical methods have been proposed for surface roughness characterisation in an attempt to link them to the hydromechanical behaviour of fractures.This thesis aims to

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9

Mandil, Guillaume. "Modèle de représentation géométrique intégrant les états physiques du produit." Phd thesis, Ecole Centrale Paris, 2011. http://tel.archives-ouvertes.fr/tel-00714559.

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Cette thèse introduit le concept de comportement géométrique d'un assemblage mécanique. Cette notion permet de rendre compte du caractère assemblable ou mobile d'un mécanisme sous la forme d'un système de relations algébriques entre les paramètres géométriques permettant de le décrire. Dans un premier temps, cette thèse montre l'intérêt de ce concept pour traiter des problèmes faisant intervenir plusieurs effets physiques et plusieurs scénarios d'utilisation. Ce chapitre est appliqué à l'étude de l'assemblabilité d'un treillis pyramidal de conception à 4 barres décrit par un modèle géométrique

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10

Ferrero, Chiara. "Structural behaviour of masonry arches on moving supports : from on-site observation to experimental and numerical analysis." Doctoral thesis, Universitat Politècnica de Catalunya, 2021. http://hdl.handle.net/10803/672366.

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Since ancient times, master builders have used arches to cover large spans in masonry structures. As a consequence, nowadays the safety assessment of these structural elements plays a fundamental role in the conservation of built cultural heritage. Due to their frequent occurrence, support displacements are one of the primary sources of damage for masonry arches. Among the potential causes of support displacements, slow-moving landslides have received very little attention from the scientific community. The present thesis is motivated by the observation of extensive and severe damage in the

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11

Farazdaghi, Elham. "Facial ageing and rejuvenation modeling including lifestyle behaviours, using biometrics-based approaches." Thesis, Paris Est, 2017. http://www.theses.fr/2017PESC1236/document.

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Cette thèse a pour objectif de modéliser, par approches biométriques, l’évolution dans le temps du visage humain, en partant de l’âge enfant, jusqu’à un âge adulte. Ces travaux sur le vieillissement rentrent dans le cadre des activités de recherche du groupe biométrie du laboratoire LiSSi (UPEC).Comme il est connu, l’évolution des traits dues au vieillissement dépend deplusieurs facteurs intrinsèques ou extrinsèques, dont : la génétique, l’origine ethnique, le mode de vie, etc. En considérons les modèles paramétriques proposés dans cette thèse, nous exploitons entre autres, les similitudes des

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12

Valladares, Cereceda Ignacio. "GPU parallel algorithms for reporting movement behaviour patterns in spatiotemporal databases." Doctoral thesis, Universitat de Girona, 2013. http://hdl.handle.net/10803/119544.

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In this thesis we treat and solve various problems related to movement pattern detection by designing and implementing parallel algorithms using the GPU. We first propose a GPU pipeline based algorithm to report the ’Popular places’ pattern. Then, we study the problem of reporting all subtrajectory clusters of a trajectory. To measure similarity between curves we choose the Fréchet distance. Finally we solve the ’Flock pattern’. To this aim, we present two algorithms to solve two problems related with the ’Flock pattern’: finding the maximal sets of a family and intersecting two families of se

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13

Gringoz, Florian. "Prédiction de la conformité géométrique d'assemblages aéronautiques." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASN012.

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La géométrie d'un assemblage est définie au travers de la géométrie de ses composants décrite dans la configuration nominale du produit, c'est à dire que les composants sont sans défauts et leurs positions relatives exactes. Dans la réalité, les géométries effectives des composants présentent des défauts géométriques, et leurs situations relatives ne sont pas exactes. Le travail doctoral consiste à prédire la conformité géométrique d'un assemblage aéronautique à partir des géométries de ses composants. A partir de la connaissance de la géométrie des composants avec défauts, une seconde étape v

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14

Ramachandran, Raman. "Behaviour of first instar `Ectropis excursaria` (Lepidoptera: Geometridae) in relation to host-finding process." 1986. http://web4.library.adelaide.edu.au/theses/09PH/09phr165.pdf.

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15

Ramachandran, Raman. "Behaviour of first instar Ectropis excursaria (Lepidoptera: Geometridae) in relation to host-finding process." Thesis, 1986. http://hdl.handle.net/2440/20581.

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16

Silva, Ana Marques Pereira da. "Topology optimization considering geometrical nonlinear behavior." Master's thesis, 2019. http://hdl.handle.net/10362/94116.

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Abstract (sommario):

Foi realizada a validação de um programa de análise de elementos finitos não lineares já desenvolvido, PROAES_NL. Para tal, quatro exemplos encontrados na literatura foram resolvidos utilizando o programa e os resultados foram comparados com os valores apresentados em artigos publicados e também com os resultados obtidos com o software de elementos finitos ANSYS. O erro relativo entre os resultados obtidos utilizando o PROAES_NL e as duas outras fontes mencionadas anteriormente foi relativamente pequeno e o programa foi considerado validado. A teoria de cálculo de sensibilidades em estruturas

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17

Chen, Mei-Li, and 陳美利. "Investigation of Small-Geometrical Behavior on Double-Gate MOSFETs." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/85419004244254051596.

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博士<br>南台科技大學<br>電子工程系<br>95<br>As CMOS devices have been scaled down, the channel length shrinks and the absolute value of threshold voltage becomes smaller due to the reduced controllability of the gate over depletion region by the increased charge-sharing from the source/drain. Therefore, the study of short-channel effects (SCEs) have assumed a significant role because both the threshold voltage roll-off at decreasing gate length as well as drain-induced barrier lowering (DIBL) at increasing drain voltage pose a serious challenge to the efforts for down-scaling the CMOS technology. Double-Ga

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18

Liang, Cheng-Yu, and 梁正育. "Effects of the Geometrical Parameters on the Mechanical Behaviors of Earth Dam." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/22832055263415297963.

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碩士<br>朝陽科技大學<br>營建工程系碩士班<br>96<br>This research used FLA3D, a numerical analysis software based on the finite difference method, to analyze the mechanical behaviors of Pao- Shan in construction stage, and 921 Chi-Chi earthquake. These numerical results were compared with monitoring identify the rational of analysis method in this study. From the numerical results, they are close to the monitoring results and plane strain (2D) results. Therefore, the numerical analysis is rational in this study, and it can be so long enough that the 3D results are close to 2D results. And then the mechanical be

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19

Lin, X., Adrian L. Kelly, Michael Woodhead, D. Y. Ren, K. S. Wang, and Philip D. Coates. "Capillary Study on Geometrical Dependence of Shear Viscosity of Polymer Melts." 2014. http://hdl.handle.net/10454/10726.

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20

Lin, X., Adrian L. Kelly, D. Y. Ren, Michael Woodhead, Philip D. Coates, and K. S. Wang. "Geometrical dependence of viscosity of polymethylmethacrylate melt in capillary flow." 2013. http://hdl.handle.net/10454/9681.

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No<br>The shear viscosity of polymethylmethacrylate (PMMA) melt is particularly investigated by using a twin-bore capillary rheometer at four temperatures of 210, 225, 240, and 255 degrees C with different capillary dies. Experimental results show that the geometrical dependence of shear viscosity is significantly dependent on melt pressure as well as melt temperature. The measured shear viscosity increases with the decrease of die diameter at lower temperatures (210 and 225 degrees C) but decreases with the decrease of die diameter at higher temperatures (240 and 255 degrees C). Based on the

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21

Farajpour, Ouderji Ali. "Nonlinear scale-dependent deformation behaviour of beam and plate structures." Thesis, 2021. http://hdl.handle.net/2440/130767.

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Improving the knowledge of the mechanics of small-scale structures is important in many microelectromechanical and nanoelectromechanical systems. Classical continuum mechanics cannot be utilised to determine the mechanical response of small-scale structures, since size effects become significant at small-scale levels. Modified elasticity models have been introduced for the mechanics of ultra-small structures. It has recently been shown that higher-order models, such as nonlocal strain gradient and integral models, are more capable of incorporating scale influences on the mechanical chara

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22

Heitor, Diogo Couto. "Mechanical behaviour of aluminium alloy foams modelled with X-ray microcomputed tomography." Master's thesis, 2021. http://hdl.handle.net/10773/31404.

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In recent years, there has been an increase in interest in cellular materials for structural applications, especially cellular metals (e.g., metal foams made of aluminium and its alloys). These closed-cell and open-cell foams usually have complex cellular structures resulting from the foaming process and their mechanical properties are governed by their cellular structures and by the properties of the base material. However, their mechanical characterization is difficult and most of the times can result in the destruction of the foam specimen. In this study, X-ray microcomputed tomography (µCT

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23

Chia, Hsu, and 徐嘉. "Geometrical Effects on the Fiber Micro-structure Variations and the Influences on the Warpage Behavior in Long Fiber Reinforced Thermoplastics (FRT) Injection Molding Product Development." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/7x4pcu.

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碩士<br>淡江大學<br>化學工程與材料工程學系碩士班<br>106<br>Due to its great potential and capability, the fiber reinforced thermoplastics (FRT) material and technology have been applied into industry recently. However, due to the microstructures of fiber inside plastic matrix are very complex, they are not easy to be visualized. The connection from microstructures to the final shrinkage/warpage is far from our understanding. In this study, we have performed a benchmark with three standard specimens based on ASTM D638 where those specimens have different gate designs. Due to the geometrical effect, the warpage beh

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24

Μπέλεσης, Στέφανος. "Ανάπτυξη μεθοδολογιών για τη μη-γραμμική ανάλυση κατασκευών μεγάλης κλίμακας". Thesis, 2010. http://nemertes.lis.upatras.gr/jspui/handle/10889/4342.

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O σχεδιασμός και η ανάπτυξη οικονομικών προϊόντων, με ταυτόχρονη ικανοποίηση των αναγκών για υψηλές επιδόσεις και ασφάλεια αποτελεί μια από τις μεγαλύτερες προκλήσεις για τους ερευνητές μηχανικούς και τη βιομηχανία. Ειδικότερα στους τομείς της κατασκευαστικής βιομηχανίας (αεροναυπηγική, ναυπηγική, αυτοκινητοβιομηχανία, διαστημική) των οποίων τα προϊόντα παράγονται σύμφωνα με τις τεχνολογίες αιχμής, επιζητείται από το μηχανικό να σχεδιάζει νέα προϊόντα με υψηλότερες επιδόσεις, χωρίς να αγνοεί την απαίτηση για μείωση του κόστους και του χρόνου ανάπτυξης αυτών. Η τάση αυτή βρίσκει εφαρμογή κατά κ

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